FR2336690A1 - Apparatus and tomography METHOD FOR reconstitution of planar slices from a non-absorbed radiation and not diffuse - Google Patents

Apparatus and tomography METHOD FOR reconstitution of planar slices from a non-absorbed radiation and not diffuse

Info

Publication number
FR2336690A1
FR2336690A1 FR7637732A FR7637732A FR2336690A1 FR 2336690 A1 FR2336690 A1 FR 2336690A1 FR 7637732 A FR7637732 A FR 7637732A FR 7637732 A FR7637732 A FR 7637732A FR 2336690 A1 FR2336690 A1 FR 2336690A1
Authority
FR
Grant status
Application
Patent type
Prior art keywords
reconstitution
diffuse
non
apparatus
absorbed radiation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7637732A
Other languages
French (fr)
Other versions
FR2336690B1 (en )
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varian Medical Systems Inc
Original Assignee
Varian Medical Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computerised tomographs
    • A61B6/032Transmission computed tomography [CT]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/006Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4258Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor
FR7637732A 1975-12-23 1976-12-15 Expired FR2336690B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05643894 US4149247A (en) 1975-12-23 1975-12-23 Tomographic apparatus and method for reconstructing planar slices from non-absorbed and non-scattered radiation

Publications (2)

Publication Number Publication Date
FR2336690A1 true true FR2336690A1 (en) 1977-07-22
FR2336690B1 FR2336690B1 (en) 1981-07-24

Family

ID=24582603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637732A Expired FR2336690B1 (en) 1975-12-23 1976-12-15

Country Status (7)

Country Link
US (1) US4149247A (en)
JP (2) JPS5279894A (en)
CA (1) CA1111573A (en)
DE (1) DE2657895C2 (en)
FR (1) FR2336690B1 (en)
GB (3) GB1577016A (en)
NL (1) NL7614230A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378289A2 (en) * 1977-01-19 1978-08-18 Varian Associates Apparatus and data reconstructing method
EP0022299A1 (en) * 1979-07-06 1981-01-14 Philips Electronics N.V. Method and device for determining a radiation attenuation distribution in a plane of a body

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US4398251A (en) * 1974-12-19 1983-08-09 Emi Limited Radiography
US4149081A (en) * 1976-11-29 1979-04-10 Varian Associates, Inc. Removal of spectral artifacts and utilization of spectral effects in computerized tomography
US4583241A (en) * 1977-09-30 1986-04-15 Technicare Corporation X-ray tomographic apparatus
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
DE2846702C2 (en) * 1978-10-26 1983-11-17 Habermehl, Adolf, Prof. Dr., 3550 Marburg, De
JPS6154412B2 (en) * 1979-01-11 1986-11-21 Hitachi Medical Corp
US4280178A (en) * 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
JPH0237174B2 (en) * 1982-07-21 1990-08-22 Tokyo Shibaura Electric Co
JPH0260332B2 (en) * 1982-12-16 1990-12-17 Tokyo Shibaura Electric Co
US4672650A (en) * 1984-02-16 1987-06-09 Kabushiki Kaisha Toshiba Tomographic testing apparatus
DE3437236A1 (en) * 1984-10-10 1986-04-17 Guenter Dr Ing Basler Method for transmission testing by means of X-radiation and gamma radiation with low idle times
JPH081377B2 (en) * 1984-12-28 1996-01-10 株式会社東芝 Tire load test tomography apparatus
US4703424A (en) * 1985-01-03 1987-10-27 General Electric Company Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system
JPH049417B2 (en) * 1985-03-15 1992-02-20
US4707822A (en) * 1985-05-09 1987-11-17 Kabushiki Kaisha Toshiba Tomographic apparatus
KR880000085B1 (en) * 1985-05-22 1988-02-23 기무라 히로가즈 Tomography using x-ray
US4770182A (en) * 1986-11-26 1988-09-13 Fonar Corporation NMR screening method
US5128864A (en) * 1989-08-09 1992-07-07 W. L. Systems, Inc. Method for computing tomographic scans
WO1992000566A1 (en) * 1990-07-02 1992-01-09 Varian Associates, Inc. Partial fan beam tomographic apparatus and data reconstruction method
US5099505A (en) * 1990-07-02 1992-03-24 Varian Associates Method for increasing the accuracy of a radiation therapy apparatus
US5168532A (en) * 1990-07-02 1992-12-01 Varian Associates, Inc. Method for improving the dynamic range of an imaging system
WO1992000567A1 (en) * 1990-07-02 1992-01-09 Varian Associates, Inc. Computed tomography apparatus using image intensifier detector
US5117445A (en) * 1990-07-02 1992-05-26 Varian Associates, Inc. Electronically enhanced x-ray detector apparatus
US5293312A (en) * 1991-06-20 1994-03-08 Waggener Robert G Method and apparatus for computing tomographic scans
US5485528A (en) * 1993-10-15 1996-01-16 Star Technologies, Inc. Apparatus and method for back-projecting an image
US5838756A (en) * 1996-01-08 1998-11-17 Kabushiki Kaisha Toshiba Radiation computed tomography apparatus
US6584338B1 (en) * 1999-03-30 2003-06-24 Koninklijke Philips Electronics N.V. Deriving time-averaged moments
US6332035B1 (en) 1999-06-23 2001-12-18 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithms for 3D radon transforms
US6282257B1 (en) 1999-06-23 2001-08-28 The Board Of Trustees Of The University Of Illinois Fast hierarchical backprojection method for imaging
US6351548B1 (en) 1999-06-23 2002-02-26 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithm for tomography
US6263096B1 (en) 1999-06-23 2001-07-17 The Board Of Trustees Of The University Of Illinois Multilevel domain decomposition method for fast reprojection of images
US6307911B1 (en) 1999-06-23 2001-10-23 The Board Of Trustees Of The University Of Illinois Fast hierarchical backprojection for 3D Radon transform
DE10009285A1 (en) * 2000-02-28 2001-08-30 Philips Corp Intellectual Pty Computer tomography for determining the momentum transfer spectrum in an examination region
US6771802B1 (en) * 2000-04-13 2004-08-03 Photon Imaging, Inc. Method and apparatus for imaging and localizing radiation
US6888919B2 (en) * 2001-11-02 2005-05-03 Varian Medical Systems, Inc. Radiotherapy apparatus equipped with an articulable gantry for positioning an imaging unit
JP3950782B2 (en) * 2002-05-22 2007-08-01 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Three-dimensional back projection method and x-ray ct device
US7227925B1 (en) 2002-10-02 2007-06-05 Varian Medical Systems Technologies, Inc. Gantry mounted stereoscopic imaging system
US7657304B2 (en) 2002-10-05 2010-02-02 Varian Medical Systems, Inc. Imaging device for radiation treatment applications
US7945021B2 (en) 2002-12-18 2011-05-17 Varian Medical Systems, Inc. Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
US6970533B2 (en) * 2003-03-06 2005-11-29 Xcounter Ab Scanning-based detection of ionizing radiation
US7412029B2 (en) 2003-06-25 2008-08-12 Varian Medical Systems Technologies, Inc. Treatment planning, simulation, and verification system
US6990167B2 (en) * 2003-08-29 2006-01-24 Wisconsin Alumni Research Foundation Image reconstruction method for divergent beam scanner
JP2006034785A (en) * 2004-07-29 2006-02-09 Ge Medical Systems Global Technology Co Llc X-ray ct image processing method, and x-ray ct apparatus
WO2006062132A1 (en) * 2004-12-07 2006-06-15 The University Of Tokyo Stereoscopic image reconfiguration device, stereoscopic image reconfiguration method, and stereoscopic image reconfiguration program
US10004650B2 (en) 2005-04-29 2018-06-26 Varian Medical Systems, Inc. Dynamic patient positioning system
US20070003010A1 (en) 2005-04-29 2007-01-04 Varian Medical Systems Technologies, Inc. Radiation systems with imaging capability
US7880154B2 (en) 2005-07-25 2011-02-01 Karl Otto Methods and apparatus for the planning and delivery of radiation treatments
CN100444799C (en) 2005-08-18 2008-12-24 Ge医疗系统环球技术有限公司 Position measuring method of examination bed, pendant compensating method and X-ray CT appts
US20070268999A1 (en) * 2006-05-22 2007-11-22 Xcounter Ab Apparatus and method for creating tomosynthesis and projection images
USRE46953E1 (en) 2007-04-20 2018-07-17 University Of Maryland, Baltimore Single-arc dose painting for precision radiation therapy
US8184875B2 (en) * 2007-09-17 2012-05-22 Xcounter Ab Method for creating, displaying, and analyzing X-ray images and apparatus implementing the method
JP5922892B2 (en) * 2011-08-26 2016-05-24 Ntn株式会社 Manufacturing method of inspection method and rolling elements of the rolling element
CA2851839A1 (en) 2011-10-17 2013-04-25 Butterfly Network, Inc. Transmissive imaging and related apparatus and methods
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
US9667889B2 (en) 2013-04-03 2017-05-30 Butterfly Network, Inc. Portable electronic devices with integrated imaging capabilities

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1475492A (en) * 1973-06-01 1977-06-01 Emi Ltd Apparatus for examining objects by means of penetrating radiation
FR2232294B1 (en) * 1973-06-05 1978-01-13 Emi Ltd
CA1007384A (en) * 1973-06-05 1977-03-22 Godfrey N. Hounsfield Radiographic apparatus
GB1478123A (en) * 1973-08-18 1977-06-29 Emi Ltd Tomography
JPS5444597B2 (en) * 1974-03-23 1979-12-26
US3976885A (en) * 1975-03-18 1976-08-24 Picker Corporation Tomography system having nonconcurrent, compound axial scanning

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378289A2 (en) * 1977-01-19 1978-08-18 Varian Associates Apparatus and data reconstructing method
EP0022299A1 (en) * 1979-07-06 1981-01-14 Philips Electronics N.V. Method and device for determining a radiation attenuation distribution in a plane of a body

Also Published As

Publication number Publication date Type
CA1111573A (en) 1981-10-27 grant
JPS6121048Y2 (en) 1986-06-24 grant
FR2336690B1 (en) 1981-07-24 grant
GB1577015A (en) 1980-10-15 application
CA1111573A1 (en) grant
GB1577014A (en) 1980-10-15 application
JPS56109702U (en) 1981-08-25 application
US4149247A (en) 1979-04-10 grant
GB1577016A (en) 1980-10-15 application
NL7614230A (en) 1977-06-27 application
JPS5279894A (en) 1977-07-05 application
DE2657895C2 (en) 1990-08-09 grant
DE2657895A1 (en) 1977-07-14 application

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